What type of wave contains compression and rarefaction

You placed a sample of a hydrate of calcium chloride (CaCl2) in a weighed test tube, and weighed the filled test tube. Then you heated it until no more water was evolved. After cooling, you weighed the test tube again. Mass of empty tube (g) 13.

If I have 0.52 moles of sodium iodide, how much water would it take to make a 1.31 M solution?

Soil erosion is a secondary environmental problem because it only degrades the land and does not affect water or air quality. True or false?

What happens when there is no ozone layer

Choose the correct statements about solutions. A. A solution is not a type of mixture. B. A solute is the thing being dissolved. C. Something is insoluble if it is unable to dissolve. D. A solvent is the thing being dissolved.

Think about a wooden chair and a balloon. what do these two objects always have in common?

What Causes Surface Tension?

What scientist do that basis for their investigation

One flexible material you use everyday

How have humans negatively impacted biodiversity?